import java.util.*;public class Property {
public static void main(String[] args) {
System.out.println(new Date());
Properties p = System.getProperties();
p.list(System.out);
System.out.println("--- Memory Usage:");
Runtime rt = Runtime.getRuntime();
System.out.println("Total Memory = "
+ rt.totalMemory()
+ " Free Memory = "
+ rt.freeMemory());
}
}
请各位大吓看一下..怎么回事?????
Exception in thread "main" java.lang.NoClassDefFoundError:Propery
press any key to continue
public static void main(String[] args) {
System.out.println(new Date());
Properties p = System.getProperties();
p.list(System.out);
System.out.println("--- Memory Usage:");
Runtime rt = Runtime.getRuntime();
System.out.println("Total Memory = "
+ rt.totalMemory()
+ " Free Memory = "
+ rt.freeMemory());
}
}
请各位大吓看一下..怎么回事?????
Exception in thread "main" java.lang.NoClassDefFoundError:Propery
press any key to continue
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输出如下
java.vendor=Sun Microsystems Inc.file.separator=\java.vendor.url.bug=http://java.sun.com/cgi-bin/bugreport...sun.cpu.endian=littlesun.io.unicode.encoding=UnicodeLittlesun.cpu.isalist=pentium i486 i386--- Memory Usage:Total Memory = 2031616 Free Memory = 1552480
Microsoft Windows XP [版本 5.1.2600]
(C) 版权所有 1985-2001 Microsoft Corp.C:\Documents and Settings\Administrator>cd C:\Documents and Settings\Administrat
or\My DocumentsC:\Documents and Settings\Administrator\My Documents>javac Property.javaC:\Documents and Settings\Administrator\My Documents>java Property
Wed Mar 15 16:40:53 CST 2006
-- listing properties --
java.runtime.name=Java(TM) 2 Runtime Environment, Stand...
sun.boot.library.path=C:\Program Files\Java\jre1.5.0_06\bin
java.vm.version=1.5.0_06-b05
java.vm.vendor=Sun Microsystems Inc.
java.vendor.url=http://java.sun.com/
path.separator=;
java.vm.name=Java HotSpot(TM) Client VM
file.encoding.pkg=sun.io
user.country=CN
sun.os.patch.level=Service Pack 2
java.vm.specification.name=Java Virtual Machine Specification
user.dir=C:\Documents and Settings\Administrat...
java.runtime.version=1.5.0_06-b05
java.awt.graphicsenv=sun.awt.Win32GraphicsEnvironment
java.endorsed.dirs=C:\Program Files\Java\jre1.5.0_06\lib...
os.arch=x86
java.io.tmpdir=C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\
line.separator=java.vm.specification.vendor=Sun Microsystems Inc.
user.variant=
os.name=Windows XP
sun.jnu.encoding=GBK
java.library.path=C:\WINDOWS\system32;.;C:\WINDOWS\syst...
java.specification.name=Java Platform API Specification
java.class.version=49.0
sun.management.compiler=HotSpot Client Compiler
os.version=5.1
user.home=C:\Documents and Settings\Administrator
user.timezone=Asia/Shanghai
java.awt.printerjob=sun.awt.windows.WPrinterJob
file.encoding=GBK
java.specification.version=1.5
user.name=Administrator
java.class.path=.;C:\j2sdk1.4.2_04\lib\tools.jav
java.vm.specification.version=1.0
sun.arch.data.model=32
java.home=C:\Program Files\Java\jre1.5.0_06
java.specification.vendor=Sun Microsystems Inc.
user.language=zh
awt.toolkit=sun.awt.windows.WToolkit
java.vm.info=mixed mode, sharing
java.version=1.5.0_06
java.ext.dirs=C:\Program Files\Java\jre1.5.0_06\lib...
sun.boot.class.path=C:\Program Files\Java\jre1.5.0_06\lib...
java.vendor=Sun Microsystems Inc.
file.separator=\
java.vendor.url.bug=http://java.sun.com/cgi-bin/bugreport...
sun.cpu.endian=little
sun.io.unicode.encoding=UnicodeLittle
sun.desktop=windows
sun.cpu.isalist=
--- Memory Usage:
Total Memory = 2031616 Free Memory = 1651632
唉
没写正确啊
使用tab键不就得了么
少了好多麻烦啊